﻿using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using System.Runtime.InteropServices;
using System;
using System.Text;
using Daan;
using System.Windows.Input;
public class WinformMessage : Manager<WinformMessage>
{

    [DllImport("user32.dll")] private static extern bool ShowWindow(IntPtr hWnd, int nCmdShow);
    [DllImport("user32.dll")] private static extern bool SetForegroundWindow(IntPtr hWnd);
    [DllImport("user32.dll")] private static extern IntPtr FindWindow(string lpClassName, string lpWindowName);
    [DllImport("user32.dll")] private static extern int SendMessage(IntPtr hWnd, int Msg, int wParam, int lParam);
    [DllImport("user32.dll")] private static extern bool SetCursorPos(int X, int Y);
    [DllImport("user32.dll")] private static extern void mouse_event(int dwFlags, int dx, int dy, int dwData, int dwExtraInfo);
    [DllImport("user32.dll")] private static extern void keybd_event(byte bVk, byte bScan, uint dwFlags, uint dwExtraInfo);
    [DllImport("user32.dll")] private static extern bool SetWindowPos(IntPtr hWnd, IntPtr hWndlnsertAfter, int X, int Y, int cx, int cy, uint Flags);
    //ShowWindow参数ad
    private const int SW_SHOWNORMAL = 1;
    private const int SW_RESTORE = 9;
    private const int SW_SHOWNOACTIVATE = 4;
    //SendMessage参数
    private const int WM_KEYDOWN = 0X100;
    private const int WM_KEYUP = 0X101;
    private const int WM_SYSCHAR = 0X106;
    private const int WM_SYSKEYUP = 0X105;
    private const int WM_SYSKEYDOWN = 0X104;
    private const int WM_CHAR = 0X102;


    public delegate bool CallBack(int hwnd, int lParam);
    [DllImport("user32")] public static extern int EnumWindows(CallBack x, int y);
    [DllImport("user32.dll")] private static extern int GetWindowTextW(IntPtr hWnd, [MarshalAs(UnmanagedType.LPWStr)] StringBuilder lpString, int nMaxCount);
    [DllImport("user32.dll")] private static extern int GetClassNameW(IntPtr hWnd, [MarshalAs(UnmanagedType.LPWStr)] StringBuilder lpString, int nMaxCount);


    [DllImport("user32.dll")]
    static extern short GetKeyState(VirtualKeyStates nVirtKey);

    [DllImport("user32.dll")]
    static extern short GetKeyState(int nVirtKey);

    public static bool IsKeyPressed(VirtualKeyStates testKey)
    {
        bool keyPressed = false;
        short result = GetKeyState(testKey);

        switch (result)
        {
            case 0:
                // Not pressed and not toggled on.
                keyPressed = false;
                break;

            case 1:
                // Not pressed, but toggled on
                keyPressed = false;
                break;

            default:
                // Pressed (and may be toggled on)
                keyPressed = true;
                break;
        }

        return keyPressed;
    }




    public enum VirtualKeyStates : int
    {
        VK_LBUTTON = 0x01,
        VK_RBUTTON = 0x02,
        VK_CANCEL = 0x03,
        VK_MBUTTON = 0x04,
        //
        VK_XBUTTON1 = 0x05,
        VK_XBUTTON2 = 0x06,
        //
        VK_BACK = 0x08,
        VK_TAB = 0x09,
        //
        VK_CLEAR = 0x0C,
        VK_RETURN = 0x0D,
        //
        VK_SHIFT = 0x10,
        VK_CONTROL = 0x11,
        VK_MENU = 0x12,
        VK_PAUSE = 0x13,
        VK_CAPITAL = 0x14,
        //
        VK_KANA = 0x15,
        VK_HANGEUL = 0x15, /* old name - should be here for compatibility */
        VK_HANGUL = 0x15,
        VK_JUNJA = 0x17,
        VK_FINAL = 0x18,
        VK_HANJA = 0x19,
        VK_KANJI = 0x19,
        //
        VK_ESCAPE = 0x1B,
        //
        VK_CONVERT = 0x1C,
        VK_NONCONVERT = 0x1D,
        VK_ACCEPT = 0x1E,
        VK_MODECHANGE = 0x1F,
        //
        VK_SPACE = 0x20,
        VK_PRIOR = 0x21,
        VK_NEXT = 0x22,
        VK_END = 0x23,
        VK_HOME = 0x24,
        VK_LEFT = 0x25,
        VK_UP = 0x26,
        VK_RIGHT = 0x27,
        VK_DOWN = 0x28,
        VK_SELECT = 0x29,
        VK_0 = 0x30,
        VK_1 = 0x31,
        VK_2 = 0x32,
        VK_3 = 0x33,
        VK_4 = 0x34,
        VK_5 = 0x35,
        VK_6 = 0x36,
        VK_7 = 0x37,
        VK_8 = 0x38,
        VK_9 = 0x39,




        VK_PRINT = 0x2A,
        VK_EXECUTE = 0x2B,
        VK_SNAPSHOT = 0x2C,
        VK_INSERT = 0x2D,
        VK_DELETE = 0x2E,
        VK_HELP = 0x2F,
        //
        VK_LWIN = 0x5B,
        VK_RWIN = 0x5C,
        VK_APPS = 0x5D,
        //
        VK_SLEEP = 0x5F,
        //
        VK_NUMPAD0 = 0x60,
        VK_NUMPAD1 = 0x61,
        VK_NUMPAD2 = 0x62,
        VK_NUMPAD3 = 0x63,
        VK_NUMPAD4 = 0x64,
        VK_NUMPAD5 = 0x65,
        VK_NUMPAD6 = 0x66,
        VK_NUMPAD7 = 0x67,
        VK_NUMPAD8 = 0x68,
        VK_NUMPAD9 = 0x69,
        VK_MULTIPLY = 0x6A,
        VK_ADD = 0x6B,
        VK_SEPARATOR = 0x6C,
        VK_SUBTRACT = 0x6D,
        VK_DECIMAL = 0x6E,
        VK_DIVIDE = 0x6F,
        VK_F1 = 0x70,
        VK_F2 = 0x71,
        VK_F3 = 0x72,
        VK_F4 = 0x73,
        VK_F5 = 0x74,
        VK_F6 = 0x75,
        VK_F7 = 0x76,
        VK_F8 = 0x77,
        VK_F9 = 0x78,
        VK_F10 = 0x79,
        VK_F11 = 0x7A,
        VK_F12 = 0x7B,
        VK_F13 = 0x7C,
        VK_F14 = 0x7D,
        VK_F15 = 0x7E,
        VK_F16 = 0x7F,
        VK_F17 = 0x80,
        VK_F18 = 0x81,
        VK_F19 = 0x82,
        VK_F20 = 0x83,
        VK_F21 = 0x84,
        VK_F22 = 0x85,
        VK_F23 = 0x86,
        VK_F24 = 0x87,
        //
        VK_NUMLOCK = 0x90,
        VK_SCROLL = 0x91,
        //
        VK_OEM_NEC_EQUAL = 0x92, // '=' key on numpad
                                 //
        VK_OEM_FJ_JISHO = 0x92, // 'Dictionary' key
        VK_OEM_FJ_MASSHOU = 0x93, // 'Unregister word' key
        VK_OEM_FJ_TOUROKU = 0x94, // 'Register word' key
        VK_OEM_FJ_LOYA = 0x95, // 'Left OYAYUBI' key
        VK_OEM_FJ_ROYA = 0x96, // 'Right OYAYUBI' key
                               //
        VK_LSHIFT = 0xA0,
        VK_RSHIFT = 0xA1,
        VK_LCONTROL = 0xA2,
        VK_RCONTROL = 0xA3,
        VK_LMENU = 0xA4,
        VK_RMENU = 0xA5,
        //
        VK_BROWSER_BACK = 0xA6,
        VK_BROWSER_FORWARD = 0xA7,
        VK_BROWSER_REFRESH = 0xA8,
        VK_BROWSER_STOP = 0xA9,
        VK_BROWSER_SEARCH = 0xAA,
        VK_BROWSER_FAVORITES = 0xAB,
        VK_BROWSER_HOME = 0xAC,
        //
        VK_VOLUME_MUTE = 0xAD,
        VK_VOLUME_DOWN = 0xAE,
        VK_VOLUME_UP = 0xAF,
        VK_MEDIA_NEXT_TRACK = 0xB0,
        VK_MEDIA_PREV_TRACK = 0xB1,
        VK_MEDIA_STOP = 0xB2,
        VK_MEDIA_PLAY_PAUSE = 0xB3,
        VK_LAUNCH_MAIL = 0xB4,
        VK_LAUNCH_MEDIA_SELECT = 0xB5,
        VK_LAUNCH_APP1 = 0xB6,
        VK_LAUNCH_APP2 = 0xB7,
        //
        VK_OEM_1 = 0xBA, // ';:' for US
        VK_OEM_PLUS = 0xBB, // '+' any country
        VK_OEM_COMMA = 0xBC, // ',' any country
        VK_OEM_MINUS = 0xBD, // '-' any country
        VK_OEM_PERIOD = 0xBE, // '.' any country
        VK_OEM_2 = 0xBF, // '/?' for US
        VK_OEM_3 = 0xC0, // '`~' for US
                         //
        VK_OEM_4 = 0xDB, // '[{' for US
        VK_OEM_5 = 0xDC, // '\|' for US
        VK_OEM_6 = 0xDD, // ']}' for US
        VK_OEM_7 = 0xDE, // ''"' for US
        VK_OEM_8 = 0xDF,
        //
        VK_OEM_AX = 0xE1, // 'AX' key on Japanese AX kbd
        VK_OEM_102 = 0xE2, // "<>" or "\|" on RT 102-key kbd.
        VK_ICO_HELP = 0xE3, // Help key on ICO
        VK_ICO_00 = 0xE4, // 00 key on ICO
                          //
        VK_PROCESSKEY = 0xE5,
        //
        VK_ICO_CLEAR = 0xE6,
        //
        VK_PACKET = 0xE7,
        //
        VK_OEM_RESET = 0xE9,
        VK_OEM_JUMP = 0xEA,
        VK_OEM_PA1 = 0xEB,
        VK_OEM_PA2 = 0xEC,
        VK_OEM_PA3 = 0xED,
        VK_OEM_WSCTRL = 0xEE,
        VK_OEM_CUSEL = 0xEF,
        VK_OEM_ATTN = 0xF0,
        VK_OEM_FINISH = 0xF1,
        VK_OEM_COPY = 0xF2,
        VK_OEM_AUTO = 0xF3,
        VK_OEM_ENLW = 0xF4,
        VK_OEM_BACKTAB = 0xF5,
        //
        VK_ATTN = 0xF6,
        VK_CRSEL = 0xF7,
        VK_EXSEL = 0xF8,
        VK_EREOF = 0xF9,
        VK_PLAY = 0xFA,
        VK_ZOOM = 0xFB,
        VK_NONAME = 0xFC,
        VK_PA1 = 0xFD,
        VK_OEM_CLEAR = 0xFE
    }
    void Start()
    {
        CallBack myCallBack = new CallBack(Recall);
        EnumWindows(myCallBack, 0);

    }

    private void Update()
    {

    }

    public bool Recall(int hwnd, int lParam)
    {
        StringBuilder sb = new StringBuilder(256);
        IntPtr PW = new IntPtr(hwnd);

        GetWindowTextW(PW, sb, sb.Capacity); //得到窗口名并保存在strName中
        string strName = sb.ToString();
        GetClassNameW(PW, sb, sb.Capacity); //得到窗口类名并保存在strClass中
        string strClass = sb.ToString();
        if (strName.IndexOf(this.targetWindow) >= 0 /*&& strClass.IndexOf("类名关键字") >= 0*/)
        {
            this.form = PW;
            Debug.Log(strName + "     " + strClass);
            return false; //返回false中止EnumWindows遍历
        }
        else
        {
            return true; //返回true继续EnumWindows遍历
        }
    }
    public IntPtr form;
    public enum PressType
    {
        Click = 0X102,
        Down = 0X100,
        Up = 0X101,
    }

    public string targetWindow;
    public void SendMessageToWinform(string str, PressType type = PressType.Click)
    {
        byte[] array = System.Text.Encoding.ASCII.GetBytes(str);
        int asciicode = (array[0]);
        var typeInt = (int)type;
        SetForegroundWindow(this.form);

        //Debug.Log($"按下{str} ,ascii码为{asciicode},type为{typeInt}");
        var result = SendMessage(this.form, typeInt, asciicode, 0); //输入ENTER（0x0d）
    }

    public void SendKey(string str, int type)
    {
        SetForegroundWindow(this.form);
        byte[] array = System.Text.Encoding.ASCII.GetBytes(str);
        byte asciicode = (array[0]);
        keybd_event(asciicode, 0, (uint)type, 0);
    }
    public void SendKey(VirtualKeyStates kv, int type)
    {
        keybd_event((byte)kv, 0, (uint)type, 0);
    }

    public bool IsKeyPressed(string key)
    {
        byte[] array = System.Text.Encoding.ASCII.GetBytes(key);
        int asciicode = (array[0]);
        bool keyPressed = false;
        short result = GetKeyState(asciicode);

        switch (result)
        {
            case 0:
                // Not pressed and not toggled on.
                keyPressed = false;
                break;

            case 1:
                // Not pressed, but toggled on
                keyPressed = false;
                break;

            default:
                // Pressed (and may be toggled on)
                keyPressed = true;
                break;
        }

        return keyPressed;
    }

}
